swap and drop

[shimmergloom81]

ok i have a 90` 240 coupe....i have bad blow-by coming from my oil filler cap. So i know i have at least one set of rings bad(by the way this is a junkyard car i found under 3 feet of water and got running). i have a ka24de on the engine stand..im with intentions of puting it in after i get some goodies on it. my ? is does anyone have kinda an idea bout how much longer i can rely on the busted a$$ sohc